64365605 has 8 divisors (see below), whose sum is σ = 77586432. Its totient is φ = 51260688.

The previous prime is 64365593. The next prime is 64365617. The reversal of 64365605 is 50656346.

It is an interprime number because it is at equal distance from previous prime (64365593) and next prime (64365617).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64365605 - 2⁶ = 64365541 is a prime.

It is a super-2 number, since 2×64365605² = 8285862214032050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27749 + ... + 29978.

It is an arithmetic number, because the mean of its divisors is an integer number (9698304).

Almost surely, 2^64365605 is an apocalyptic number.

It is an amenable number.

64365605 is a deficient number, since it is larger than the sum of its proper divisors (13220827).

64365605 is a wasteful number, since it uses less digits than its factorization.

64365605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57955.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 64365605 is about 8022.8177718305. The cubic root of 64365605 is about 400.7602312889.

The spelling of 64365605 in words is "sixty-four million, three hundred sixty-five thousand, six hundred five".